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A student carries out an experiment and ...

A student carries out an experiment and plots of V-I graph of three samples of nichrome wire was resistance `R_1, R_2` and `R_3` respectively. Which of the following is true?

A

`R_1=R_2=R_3`

B

`R_1gtR_2gtR_3`

C

`R_3gtR_2gtR_1`

D

`R_2gtR_1gtR_3`

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